From the size and style of traditional examples of hei-tiki, it is likely that the stone was first cut in the form of a small adze. The tilted head of the
ptīau variety of hei-tiki derives from the properties of the stone – its hardness and great value make it important to minimize the amount of the stone that has to be removed. Creating a hei-tiki with traditional methods is a long, arduous process during which the stone is smoothed by abrasive rubbing; finally, using sticks and water, it is slowly shaped and the holes bored out. After laborious and lengthy polishing, the completed pendant is suspended by a plaited cord and secured by a loop and toggle. (greenstone) hei tiki ornamented with
pāua (abalone) shell and pigments, 1500–1850. ==Current popularity== Among the other
taonga (treasured possessions) used as items of personal adornment are bone carvings in the form of earrings or necklaces. For many Māori the wearing of such items relates to Māori cultural identity. They are also popular with young New Zealanders of all backgrounds for whom the pendants relate to a more generalized sense of New Zealand identity. Several artistic
collectives have been established by Māori tribal groups. These collectives have begun creating and exporting
jewellery (such as bone carved pendants based on traditional fishhooks
hei matau and other
greenstone jewellery) and other artistic items (such as
wood carvings and
textiles). Several actors who have recently appeared in high-profile movies filmed in New Zealand have come back wearing such jewellery, including
Viggo Mortensen of
The Lord of the Rings fame who took to wearing a
hei matau around his neck. These trends have contributed towards a worldwide interest in traditional Māori culture and arts such as
Kiri Nathan including pounamu jewellery in her 2013
London Fashion Week exhibition. The
captain of
HMS New Zealand, a battlecruiser funded in 1911 by the government of New Zealand for the defence of the
British Empire and which took an active part in three battles of the First World War, wore into battle a hei-tiki (as well as a
piupiu, Māori warrior's skirt). The crew attributed to this the
New Zealand being a "lucky ship" which sustained no casualties during the entire war. ==In popular culture==